package cqut;
import java.sql.SQLOutput;
import java.util.Scanner;
    public class Main {
        public static void main(String[] args) {
            Scanner scanner = new Scanner(System.in);
            while (scanner.hasNextInt()) {
                int x = scanner.nextInt();
                int y = scanner.nextInt();
                int z = scanner.nextInt();
                Sub sub = new Sub(x, y, z);
                System.out.println(sub.calculate());
            }
        }

    }

    class Base {
        private int x;
        private int y;
        public Base(int x,int y) {
            this.x = x;
            this.y = y;
        }
        public int getX() {
            return x;
        }
        public int getY() {
            return y;
        }

    }

    class Sub extends Base {

        private int z;
        public Sub(int x, int y, int z) {
         super(x,y);
         this.z=z;
        }


        public int getZ() {
            return z;
        }
        public int calculate() {
            return super.getX() * super.getY() * this.getZ();
        }

    }

